The Border Sim Flower Festival 2026 will be held on two days, April 25 and 26, at the Culture - Sports Center (Pò Hèn village), Mã Thầu Sơn sim hill, Hải Sơn commune.
With the theme "Border Purple - Aspiration for Development", the festival expresses pride in the sacred and majestic border land at the forefront of the Fatherland.
The festival space is organized in connection between many destinations in Hai Son commune, including: Commune Culture - Sports Center, Po Hen National Historical Relic Area, Landmark 1347(2), Ho Dang hamlet (Po Hen village), hamlet 26 Ho (Than Phun commune village), Sim Ma Thau Son hill (Luc Chan village)...

Within the framework of the festival, a series of activities will take place such as: Incense offering ceremony at the Po Hen National Historical Relic Site; opening ceremony and introduction of products, products, and unique cuisine of localities; art programs including Soong Co singing, Cap Sac ceremony performance; exchange and display of products of mountainous local clusters at booths.
Women's football tournament, men's and women's spinning tournament, Dao and San Chi ethnic bride makeup contest, folk dance exchange; experience of weaving, embroidery, wrapping cakes, pounding day cakes...